#pragma once
#include <pthread.h>
#include <iostream>

namespace MutexModule
{
    class Mutex
    {
        public:
        Mutex(const Mutex&) = delete;
        const Mutex &operator=(const Mutex&) = delete;
        Mutex()
        {
            pthread_mutex_init(&_mutex, nullptr);
        }

        void Lock()
        {
            int n = pthread_mutex_lock(&_mutex);
            (void)n;
        }

        void Unlock()
        {
            int n = pthread_mutex_unlock(&_mutex);
            (void)n;
        }

        pthread_mutex_t* GetMutex()
        {
            return &_mutex;
        }

        ~Mutex()
        {
            pthread_mutex_destroy(&_mutex);
        }
        private:
        pthread_mutex_t _mutex;
    };

    /* RAII风格 */
    class LockGuard
    {
        public:
        LockGuard(Mutex &mutex) :_mutex(mutex)
        {
            _mutex.Lock();
        }
        ~LockGuard()
        {
            _mutex.Unlock();
        }
        private:
        Mutex &_mutex;
    };
}